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xxxteisheonxxxmalaa
@xxxteisheonxxxmalaa
June 2023
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wendyyy17
1. 2Al + 3H2SO4(разб.)=Al2(SO4)3 + 3H2
2. H2+Cl2=2HCl
3. CuO +2HCl= CuCl2 + H2O
4. CuCl2 + 2AgNO3= Cu(NO3)2+2AgCl ↓
Ионная форма: Cu2+ + Cl- + Ag+ + NО3- =Cu2+ + NО3- + AgCl ↓
Cl-+ Ag+ = AgCl ↓
5. 2NaF + CuCl2 = CuF2 + 2 NaCl
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Answers & Comments
2. H2+Cl2=2HCl
3. CuO +2HCl= CuCl2 + H2O
4. CuCl2 + 2AgNO3= Cu(NO3)2+2AgCl ↓
Ионная форма: Cu2+ + Cl- + Ag+ + NО3- =Cu2+ + NО3- + AgCl ↓
Cl-+ Ag+ = AgCl ↓
5. 2NaF + CuCl2 = CuF2 + 2 NaCl